Pathophysiology of Acute Coronary Syndromes-Diagnostic and Treatment Considerations
Panagiotis Theofilis1, Evangelos Oikonomou2, Christos Chasikidis3
1First Department of Cardiology, "Hippokration" General Hospital, University of Athens Medical School, 115 27 Athens, Greece.
Insights
Understanding acute coronary syndrome (ACS) requires exploring its varied causes, including plaque rupture, erosion, and calcified nodules. Tailored therapies depend on identifying the specific ACS mechanism for better patient outcomes.
Area of Science:
- Cardiology
- Vascular Biology
- Medical Imaging
Background:
- Coronary artery disease and acute coronary syndromes (ACS) cause significant morbidity and mortality.
- Despite advances, ACS pathophysiology is complex and varied, necessitating further research for effective therapies.
Purpose of the Study:
- To explore the varied pathogenesis of acute coronary syndromes.
- To highlight the role of vascular imaging in identifying ACS mechanisms.
- To discuss tailored management strategies based on specific ACS pathologies.
Main Methods:
- Review of current literature on ACS pathophysiology.
- Analysis of the impact of advanced vascular imaging tools.
- Discussion of clinical implications for plaque rupture, erosion, and calcified nodules.
Main Results:
- ACS pathogenesis includes plaque rupture, plaque erosion, and calcified nodules.
- Vascular imaging has redefined the understanding of these mechanisms.
- Management strategies differ significantly based on the underlying cause.
Conclusions:
- Accurate detection of ACS mechanisms is crucial for effective, tailored treatment.
- Emergent reperfusion is typical for plaque rupture; conservative management may suit plaque erosion.
- Calcified nodules represent an understudied area requiring further investigation for optimal management.
Abstract:
Coronary artery disease and acute coronary syndromes are accountable for significant morbidity and mortality, despite the preventive measures and technological advancements in their management. Thus, it is mandatory to further explore the pathophysiology in order to provide tailored and more effective therapies, since acute coronary syndrome pathogenesis is more varied than previously assumed. It consists of plaque rupture, plaque erosion, and calcified nodules. The advancement of vascular imaging tools has been critical in this regard, redefining the epidemiology of each mechanism. When it comes to acute coronary syndrome management, the presence of ruptured plaques almost always necessitates emergent reperfusion, whereas the presence of plaque erosions may indicate the possibility of conservative management with potent antiplatelet and anti-atherosclerotic medications. Calcified nodules, on the other hand, are an uncommon phenomenon that has largely gone unexplored in terms of the best management plan. Future studies should further establish the importance of detecting the underlying mechanism and the role of various treatment plans in each of these distinct entities.
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